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ALT BOARD-A-MATCH INVITATIONAL IV

Bridge Base Online, July 9 - 11, 2024

Results produced by bridgeresults.org
CONDITIONS OF CONTEST
Leaderboard
Butler
Cross Table
Line-Up
Results of round:
01 02 03 04 05 06 07 08 09 10 11 12
Board details:
01 02 03 04 05 06 07 08 09 10 11 12

David Yang

All-tournaments history →
BBO nickname: hyang WBF: 13374

Tournament statistics
 BoardsIMPsIMP/bdButlerButl/bd% bds
Declarer 11 +3 0.27 61.1% — 28%
Dummy 11 +4 0.36 57.1% — 28%
Defense, player leads 13 +2 0.15 45.3% — 33%
Defense, partner leads 4 -1 -0.25 41.7% — 10%
Passed out 1 +1 1.00 100.0% — 3%
Total 40 +9 0.23 53.9% — 100%
OtherDeclared (pair)Best roundWorst round
  22 R5 (+4) R6 (0)
Card play (DD) (positions where every card gives the same result are not counted)CardsAccurateAcc %Subopt.Tricks lostLost/card
All cards 150 143 95.33% 7 7 0.0467
Opening lead 9 7 77.78% 2 2 0.2222
After the lead — declarer 104 102 98.08% 2 2 0.0192
After the lead — defense 37 34 91.89% 3 3 0.0811

Round 2  (match scorecard, all results of round 2)
AMATEURS
 VS
SMITH
CLOSED ROOM
 NS: Harry Smith - Roy Bennett
 EW: Jonathan Weinstein - David Yang
AMATEURS
VS
SMITH
CLOSED ROOM
NS: Harry Smith - Roy Bennett
EW: Jonathan Weinstein - David Yang

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♥W ♠A+1 +1 -450  28% -200  1 
2 4♠N ♣A= =    +620 56%    +170  1
3 2♥E ♦2= = -110  44%    +100 1 
4 6♣W ♦2+1 +1 -1390  50% -1390  0.50.5
5 3NTW ♥4-1 -1    +50 61%    +50 0.50.5
6 3♣S ♥6-2 -1 -50  39%    +100 1 
7 1NTS ♥5+2 +2    +150 39%    +150 0.50.5
8 3♠E ♣2+1 -1    +50 89% -150   1
ROUND 2 IMPs: 3 2
VP: 4.50 3.50
1 4♥W ♠A+1 +1 -450  -200  1
2 4♠N ♣A= =    +620    +170 1
3 2♥E ♦2= = -110     +100 1
4 6♣W ♦2+1 +1 -1390  -1390  0.5
5 3NTW ♥4-1 -1    +50    +50 0.5
6 3♣S ♥6-2 -1 -50     +100 1
7 1NTS ♥5+2 +2    +150    +150 0.5
8 3♠E ♣2+1 -1    +50 -150  1
ROUND 2 IMPs: 3 2 VP: 4.50 3.50


Round 5  (match scorecard, all results of round 5)
HARRIS
 VS
AMATEURS
CLOSED ROOM
 NS: David Yang - Jonathan Weinstein
 EW: Eddie Malhasyan - Jonathan Harris
HARRIS
VS
AMATEURS
CLOSED ROOM
NS: David Yang - Jonathan Weinstein
EW: Eddie Malhasyan - Jonathan Harris

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 1NTN ♠4+1 +2    +150 100%    +120  1
2 3NTS ♥3+1 +2    +660 94%    +600  1
3 6NTS ♣Q= =    +990 89% -50   1
4 4♠xW ♥3-1 = -790  11% -140  1 
5 4♥W ♦Q-2 -1    +50 89% -140   1
6 1NTN ♠4+1 +2    +150 89% -50   1
7 2NTW ♣A-1 -1    +100 100% -650   1
8 2♣S ♠K-4 -3 -150  28% -50  1 
ROUND 5 IMPs: 2 6
VP: 2.00 6.00
1 1NTN ♠4+1 +2    +150    +120 1
2 3NTS ♥3+1 +2    +660    +600 1
3 6NTS ♣Q= =    +990 -50  1
4 4♠xW ♥3-1 = -790  -140  1
5 4♥W ♦Q-2 -1    +50 -140  1
6 1NTN ♠4+1 +2    +150 -50  1
7 2NTW ♣A-1 -1    +100 -650  1
8 2♣S ♠K-4 -3 -150  -50  1
ROUND 5 IMPs: 2 6 VP: 2.00 6.00


Round 6  (match scorecard, all results of round 6)
AMATEURS
 VS
GREENBERG
CLOSED ROOM
 NS: Mustafa Cem Tokay - Ted Greenberg
 EW: Jonathan Weinstein - David Yang
AMATEURS
VS
GREENBERG
CLOSED ROOM
NS: Mustafa Cem Tokay - Ted Greenberg
EW: Jonathan Weinstein - David Yang

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♠N ♣A= =    +420 83%    +420 0.50.5
2 3NTW ♣6+2 +2 -460  17% -450  1 
3 2♠xS ♥3+1 +1    +570 100% -100   1
4 5♣W ♠A-2 -2    +200 17%    +400 1 
5 6NTS ♥8= =    +1440 89%    +1440 0.50.5
6 5♦E ♥Q-1 -1    +100 78%    +100 0.50.5
7 4NTW ♠J+1 +1 -660  28% -660  0.50.5
8 5♠W ♣3-2 -2    +100 78%    +50  1
ROUND 6 IMPs: 2 2
VP: 4.00 4.00
1 4♠N ♣A= =    +420    +420 0.5
2 3NTW ♣6+2 +2 -460  -450  1
3 2♠xS ♥3+1 +1    +570 -100  1
4 5♣W ♠A-2 -2    +200    +400 1
5 6NTS ♥8= =    +1440    +1440 0.5
6 5♦E ♥Q-1 -1    +100    +100 0.5
7 4NTW ♠J+1 +1 -660  -660  0.5
8 5♠W ♣3-2 -2    +100    +50 1
ROUND 6 IMPs: 2 2 VP: 4.00 4.00


Round 9  (match scorecard, all results of round 9)
AMATEURS
 VS
COCONUT
OPEN ROOM
 NS: David Yang - Jonathan Weinstein
 EW: Difan Wang - Weimin Pan
AMATEURS
VS
COCONUT
OPEN ROOM
NS: David Yang - Jonathan Weinstein
EW: Difan Wang - Weimin Pan

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NTW ♣3= = -400  28% -400  0.50.5
2 3♦xW ♥A-4 -3    +500 100% -100  1 
3 Pass — 0 100% -150  1 
4 3NTW ♥K-1 -2    +200 83% -800  1 
5 3NTW ♠5+1 +1 -430  28% -430  0.50.5
6 1♥W ♠A= = -80  11% -50   1
7 2♥xS ♣A+2 +2    +1070 100% -200  1 
8 3♣E ♦Q+1 = -110  22% -110  0.50.5
ROUND 9 IMPs: 4 1
VP: 5.50 2.50
1 3NTW ♣3= = -400  -400  0.5
2 3♦xW ♥A-4 -3    +500 -100  1
3 Pass — 0 -150  1
4 3NTW ♥K-1 -2    +200 -800  1
5 3NTW ♠5+1 +1 -430  -430  0.5
6 1♥W ♠A= = -80  -50  1
7 2♥xS ♣A+2 +2    +1070 -200  1
8 3♣E ♦Q+1 = -110  -110  0.5
ROUND 9 IMPs: 4 1 VP: 5.50 2.50


Round 10  (match scorecard, all results of round 10)
SMITH
 VS
AMATEURS
CLOSED ROOM
 NS: David Yang - Jonathan Weinstein
 EW: Derrick Peden - Robert Clow
SMITH
VS
AMATEURS
CLOSED ROOM
NS: David Yang - Jonathan Weinstein
EW: Derrick Peden - Robert Clow

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♠W ♥7+2 +2 -480  6% -480  0.50.5
2 2♥S ♣8+1 +2    +170 72%    +150  1
3 5♥xS ♣J= =    +650 61%    +650 0.50.5
4 4♠E ♣3+3 +3 -710  83% -710  0.50.5
5 3NTS ♥6= +1    +630 89%    +50  1
6 4♠N ♥7-1 -1 -50  17% -50  0.50.5
7 3NTS ♥8+1 +1    +630 6%    +630 0.50.5
8 3NTN ♣3-1 -1 -50  44%    +140 1 
ROUND 10 IMPs: 1 2
VP: 3.50 4.50
1 4♠W ♥7+2 +2 -480  -480  0.5
2 2♥S ♣8+1 +2    +170    +150 1
3 5♥xS ♣J= =    +650    +650 0.5
4 4♠E ♣3+3 +3 -710  -710  0.5
5 3NTS ♥6= +1    +630    +50 1
6 4♠N ♥7-1 -1 -50  -50  0.5
7 3NTS ♥8+1 +1    +630    +630 0.5
8 3NTN ♣3-1 -1 -50     +140 1
ROUND 10 IMPs: 1 2 VP: 3.50 4.50